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Finding the Fourth Proportional to 9,375.40, 14,063.10 and 3,135.16

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Solution

The fourth proportional to 9,375.40, 14,063.10 and 3,135.16 is: 4,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.40 : 14,063.10 = 3,135.16 : x
  2. Step 2: Convert to fraction form
    9,375.40/14,063.10 = 3,135.16/x
  3. Step 3: Cross multiply
    9,375.40x = 14,063.10 × 3,135.16
  4. Step 4: Simplify right side
    9,375.40x = 44,090,068.60
  5. Step 5: Solve for x
    x = 44,090,068.60/9,375.40
  6. Step 6: Final answer
    x = 4,702.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.